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balloon knot

balloon knot

3.9
A knot that keeps air or helium inside a balloon
  • noun
translation icon : nudo de globo
  • She learned how to make a tight balloon knot for her party decorations.

Examples

  • Without a proper balloon knot, the helium quickly escaped from the balloon.

  • He twisted the end and tied a balloon knot to keep the air inside.

  • Wow! Look at that balloon knot!

  • She tied a balloon knot to keep the air inside.

  • He twisted the end and tied a balloon knot to keep the air inside.

  • Without a proper balloon knot, the helium quickly escaped from the balloon.

  • She learned how to make a tight balloon knot for her party decorations.

Synonyms

stopper knot
vsballoon knot
  • Specialized
5.8

A way of tying the end of a rope to stop it slipping through a hole

seals an inflated opening rather than only blocking passage through holes
Matthew Walker knot
vsballoon knot
  • Specialized
9.9

A knot tied at the end of a rope to stop the end passing through an opening

is for sealing an inflated opening rather than securing rope ends

Surface Forms

balloon knot singular
balloon knots plural

Morphology

balloon + knot

The meaning is directly and transparently derived from combining 'balloon' (an inflatable bag) with 'knot' (a fastening) — a knot used to seal a balloon. This straightforward noun–noun composition follows common morphological patterns and is cross-linguistically familiar, so a B1 learner who knows both constituents would readily infer the meaning.

Etymology

Balloon knot comes from the simple act of tying a knot in the thin neck of a balloon after you blow it up. That tied knot 'keeps the air inside', so the phrase means the small knot used to close a blown-up balloon.